Providing And Fitting Fixing Of Butterfly Valves Mtc Of Different Sluice Valve Etc In Different Oht Within The Jurisdiction Of G.S. Section And Sb Section Under Dws Sub Division No I Collegetilla Agartala During The Year 2025 26 Operation Maintenance Of Different Sluice Valves Under Different Oht Within The Jurisdiction Of Gs Section And Sb Section Under Dws Sub Division No I Collegetilla Agartala During The Year 2025 26